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Sharper mind
Cold exposure drives a sustained release of norepinephrine and dopamine — the clarity and drive you chase with caffeine, without the crash.
Cold plunge · First production run
A 1-person portable cold plunge with 3kW cooling, WiFi app control, and sealed insulation. ICE MAN holds 37°F water in your home, garage, or gym — so the only hard part left is getting in.
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Every morning it's the same water, the same cold, the same decision. Make it once and the rest of the day negotiates with a different person.
0°F
Held all day, every day
< 0°F
Temperature drift, lid closed
0 min
The entire daily commitment
Why the cold
01
Cold exposure drives a sustained release of norepinephrine and dopamine — the clarity and drive you chase with caffeine, without the crash.
02
Vasoconstriction flushes inflammation from hard-trained tissue. Train heavier, more often, with less soreness between sessions.
03
A controlled drop in core temperature settles the nervous system hours later. Fall asleep faster, wake up without the fog.
04
Every plunge is a voluntary hard thing done on purpose. The discipline you build at 37°F follows you into everything else.
A day with ICE MAN




06:12 — The decision
The lid comes off. The water is already at temperature — no ice, no waiting, no negotiating. The only variable left is you.
06:16 — Four minutes
Shoulders under, slow nasal breathing. Norepinephrine climbs two to three times baseline and stays elevated long after you step out.
09:00 — Clean focus
The drive that shows up isn't caffeine's spike-and-crash. It's steady, and it lasts through the part of the morning that usually costs you.
22:30 — The payoff
Core temperature settles down for the night hours after the plunge. Deeper sleep, quieter mind, and the next morning starts easier.
Total control
One dial, one degree at a time, from deep cold to contrast heat. Move it and the system does the rest — quietly, all day, without a single bag of ice.
Drag the slider →
Set it once
37°F
Deep cold
Full adrenal wake-up. Norepinephrine climbs and stays elevated for hours.
Anatomy
Tap a point on the machine to jump to its explanation.

The machine
Most plunges are a tub and a promise. ICE MAN is a portable, inflatable 1-person recovery system with a 3kW chiller, WiFi app control, sealed lines, and continuous filtration — ready when you are, anywhere you train.

Profile
Low, wide, and sealed — sized for a full submersion without dominating the room.
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The difference
| ICE MAN | Ice bath | Freezer conversion | |
|---|---|---|---|
| Holds 37°F all day | ✓ | — | — |
| No ice, ever | ✓ | — | ✓ |
| WiFi app control | ✓ | — | — |
| Filtered, clear water | ✓ | — | — |
| One-degree control | ✓ | — | — |
| Built to sit in your home | ✓ | — | — |
Early testers
“The first two weeks were brutal. Month three, I stopped needing an alarm.”
“I've owned a chest freezer conversion. This is a different category of object.”
“Four minutes buys me a full morning where nothing rattles me.”
Specifications
Questions
37°F, and it holds there. The 3kW chiller runs on a closed loop with a sealed, double-wall shell, so you never top it up with ice or watch the temperature creep.

We're building a limited first batch by hand. Waitlist members get first access, founding pricing, and delivery windows before anyone else.
First production run · Limited units
Join the waitlist